Roofer in Mount Cobb, PA

Mount Cobb is located in eastern Lackawanna County at 41°25′28″N 75°30′19″W / 41.42444°N 75.50528°W (41.424422, -75.505257), in the southern part of Jefferson Township. Interstate 84 forms the southern edge of the community, with access from Exit 8 (Pennsylvania Route 247). I-84 leads east 46 miles (74 km) to Port Jervis, New York, and west via Interstate 81 12 miles (19 km) to Scranton. Pennsylvania Route 348 (Mount Cobb Road) passes through the center of the community, leading east 5 miles (8 km) to Hamlin and west 3.5 miles (5.6 km) to Pennsylvania Route 435 in Roaring Brook Township. PA 247 leads northwest from Mount Cobb 6 miles (10 km) to Jessup.

According to the United States Census Bureau, the CDP has a total area of 7.3 square miles (18.9 km²), of which 7.1 square miles (18.5 km²) are land and 0.2 square miles (0.4 km²), or 2.16%, are water. Most of the community drains east to the West Branch of Wallenpaupack Creek, a tributary of the Lackawaxen River and part of the Delaware River watershed. The western part of Mount Cobb drains west via Rock Bottom Creek to Roaring Brook, a west-flowing tributary of the Lackawanna River and part of the Susquehanna River watershed.